Pen



FIG. 1 is a front elevational view of a pen showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirrorimage thereof;

FIG. 3 is a second front elevational view of my design of FIG. 1; and,

FIG. 4 is a side elevational view of FIG. 3, the opposite side being amirror image thereof.

The structure depicted by means of broken lines in the drawing has beenshown for illustrative purposes only and forms no part of the claimeddesign.

The ornamental design for a “pen”, as shown and described.